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Finding the Fourth Proportional to 1,655.14, 2,483.16 and 1,473.79

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Solution

The fourth proportional to 1,655.14, 2,483.16 and 1,473.79 is: 2,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.14 : 2,483.16 = 1,473.79 : x
  2. Step 2: Convert to fraction form
    1,655.14/2,483.16 = 1,473.79/x
  3. Step 3: Cross multiply
    1,655.14x = 2,483.16 × 1,473.79
  4. Step 4: Simplify right side
    1,655.14x = 3,659,656.38
  5. Step 5: Solve for x
    x = 3,659,656.38/1,655.14
  6. Step 6: Final answer
    x = 2,211.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.